Mower Rules:

1) Must be a front engine riding mower completely belt driven.

2) NO drive shaft driven mowers or chain driven mowers.

3) Mower decks must be removed before you arrive.

4) You must have a lawn mower engine no bigger than 25hp. You are allowed to have a 10-inch X 10-inch X 1/8-inch motor plate that can be bolted down with four 3/8-inch bolts.

5) You can change the engine and rear end pulleys for more speed.

6) Rims can’t be any larger than 12 inches.

7) Tire chains are not allowed.

8) Foam filled, liquid filled and tire tubes are allowed.

9) Exhaust must point up or down and be no bigger than 3 inches.

10) Hoods must be stock lawn mower hoods. If your mower has a plastic hood, you can change it with another metal lawn mower hood. You can fill in the grill area with the same thickness of metal and must have headlight holes. You cannot use street signs.

11) Hoods can only be attached by self-tapping screws, 3/8-inch bolts or can be welded on. You can also weld two washers to the frame for all thread to go through but there must be a small gap between them and the exhaust plate. All thread is only allowed four nuts per piece.

12) You can weld the fender to the frame. You can seam weld dash and hood but make sure to clean up your welds.

13) You can fill in the front exhaust box hole on a Craftsman frame with a piece of 1/8 inch flat steel with no more than a ½-inch overlap. You can only weld on two sides. You can also extend the stub nose mowers with two pieces of 2-inch X 2 1/8-inch angle. You can overlap on frame 3-inches to weld. It can’t extend farther than 7-1/2 inches out then you can put the exhaust plate on there no wider than 10-inches wide and no longer than 5-1/2 inches. John Deere 240 can have a 2-inch-wide X 1/8-inch thick ran down the side of the frame on top for the exhaust hole. You can only weld on one side and lap around the end one inch with weld.

14) You can weld front axle solid so that it doesn’t move.

15) You can have a spark plug or motor protector as long as it bolts to the engine. It cannot touch the frame.

16) Leg guards are MANDATORY. If you do not have leg guards you cannot run. No belly bars. Cage material can be no bigger than 2-inch X ¾-inch tubing.

17) You can build a 4-point cage that ties into the frame in four spots only and can only be below the frame 6 inches.

18) Back bar can only be as wide as the fenders and can’t be tilted back any farther than 5-inches past straight up and down.

19) Pre-ran mowers can put 3X3-inch plate only on the bends. No double plates. No more than six patch plates.

20) You can reinforce the steering with other lawn mower parts or heim joints but no overkill.

21) The gas tank and battery must be secured down in a place where they can’t be hit. You can run any kind of battery as long as it’s secured down.

22) No bumper on front of mower or the back of mower is allowed.

23) NO reinforcing the frame other than stated above.

24) Mower will be inspected before the derby. Hood can be bolted, screwed down or welded but must be able to see inside the hood to inspect.

25) Must make contact within 90 seconds or you will be disqualified.

26) Officials on the track have the last say. We will not tolerate fighting.

27) No drugs or alcohol allowed. Remember this is a family friendly event.

CONTACT THOMAS MOTORSPORT, LLC AT 304-889-3256 OR 681-307-8703(cell) WITH ANY QUESTIONS.